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Weather and C limate Unit Vocabulary. Weather. Short-term conditions. Climate. Long-term conditions (hot/cold, wet/dry). Latitude. Distance from the equator, north or south, measured in degrees. Climograph. The display of weather data over a long period of time. Altitude/Elevation
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Weather • Short-term conditions.
Climate • Long-term conditions (hot/cold, wet/dry)
Latitude • Distance from the equator, north or south, measured in degrees
Climograph • The display of weather data over a long period of time
Altitude/Elevation • Distance above sea level
Convection Current • Hot, less dense air rising, cold, more dense air sinking
Water Vapor • The gas form of water.
Troposphere • The first layer of atmosphere where weather occurs.
Thermometer • measures air temperature in degrees Fahrenheit and degrees Celsius.
Barometer • measures air pressure.
Anemometer • measures wind speed
Psychrometer • measures humidity.
Station Model • Shows weather data at a certain place on the Earth’s surface
Air Pressure • The pressure exerted by air in a vertical column.
Sea Breeze • Wind blowing from the sea during the day time
Land Breeze • Wind blowing from land during night time.
Dew Point • Temperature at which water vapor condenses.
Relative Humidity • Amount of water vapor in the air, compared to how much it could hold.
Saturation • 100% relative humidity
High Pressure System • Cold and dry weather conditions
Low Pressure System • Hot and wet weather conditions
Air Mass • 1000 square mile mass of air with the same characteristics
Fronts/Frontal Boundary • Place where 2 air masses meet